首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Dual functioning seal for rock bits
摘要
申请公布号
US6170830(B2)
申请公布日期
2001.01.09
申请号
US09/090448
申请日期
1998.06.04
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
您可能感兴趣的专利
POWER TRANSMISSION
BIOPSY FORCEPS
TREATMENT TOOL FOR ENDOSCOPE
EXHAUST EMISSION CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE
NOX REMOVING DEVICE
ELECTRONIC EQUIPMENT AND ITS SECURITY ENHANCEMENT METHOD
AERATION MEMBER, AERATION MEMBER KIT, VENTILATION BASKET USING THESE, AND VENTILATION TANK
LOAD CONTROL SYSTEM AND LOAD CONTROL PROGRAM
LOAD CONTROL SYSTEM
SEARCH PROCESSING METHOD AND DATA REGISTRATION METHOD
IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD
HIGH SPEED IMAGE REDUCTION DEVICE AND METHOD
THIN FILM CARRYING PERCUTANEOUS ABSORPTION PREPARATION AND ITS MANUFACTURING PROCESS
RADIO COMMUNICATION TERMINAL AND COMMUNICATION SYSTEM
ID CARD ISSUE SYSTEM
METHOD AND SYSTEM FOR PRODUCING HYDROGEN
DEVICE AND METHOD FOR VISUALIZING RADIO WAVE GENERATION SOURCE
INJECTION APPARATUS EQUIPPED WITH A TWIST SPRING DRIVING GEAR
PHOTOGRAPHIC IMAGE PROCESSOR AND ITS METHOD
RADIO COMMUNICATION DEVICE AND RADIO COMMUNICATION METHOD